blast-off

英 [ˈblɑːst ɒf]

美 [ˈblæst ɔːf]

n.  (宇宙飞船的)发射，升空

牛津词典

noun

• （宇宙飞船的）发射，升空
  the moment when a spacecraft leaves the ground

柯林斯词典

• N-UNCOUNT （火箭的）发射，点火起飞
  Blast-offis the moment when a rocket leaves the ground and rises into the air to begin a journey into space.
  1. The original planned launch was called off four minutes before blast-off.
     原定的发射在点火起飞前4分钟被取消。

双语例句

• Gun for balance is a new technology in blast-off. In the paper, on the basis of classic theory about ( interior) ballistics, the author analyses pressure distribution in chamber of gun for balance in two different ways.
  平衡炮是一种新的火炮发射技术，文章在经典弹道理论基础上，采用两种不同方法，分析平衡炮膛内的压力分布情况。
• The colorimetry can greatly lower the blast-off rate which influence the result of the temperature measurement. Under the best term, the influence can decline to zero.
  根据普朗克定律和维恩位移定律推导出了比色测温的理论公式，并分析了该方法的优点：该系统能大大降低发射率对测温结果的影响，在最佳条件下，该影响可降至零。
• Recycle chemical cleaning method used in the air feed system for blast-off field of spaceflight
  化学循环清洗法在航天发射场供气系统中的应用
• Operate guidebook: Mouse the left key click the playing marble blast-off, can also drag along to move bead to shoot more far, rule with eliminate to see similar.
  操作指南：鼠标左键点击弹珠发射，也可以拖动弹珠向更远发射，规则和消消看类似。
• The original planned launch was called off four minutes before blast-off.
  原定的发射在点火起飞前4分钟被取消。
• The NYHA grade of cordis function, heart rate, blast-off blood fraction of the left ventricle, diameter of the left ventricle in stretching telophase, and the percentage of heart to chest circumference inspected by X ray were checked before and after the treatment.
  比较两组治疗前后心功能分级、心率、左室射血分数、左室舒张末期内径、X线胸片心胸比率。
• Blast-off has been aborted.
  （导弹的）发射中止了。
• These are put forward to adopt formula calculation in the foundation blast-off noise, increase the shoot voice correcting, lower the agony correction item, and carry on the equivalent A noise revising.
  在修正模式中，计算铁路列车的基础发射声级时采用公式计算，增加发射声级修正，降低烦恼度修正项和进行等效连续A声级修正。
• Transfer of rural population in our country is one of great strategies for solving rural problem, impelling economic blast-off and social advancement.
  促进我国农村人口转移是当前解决三农问题、促进经济腾飞和社会进步的重大的战略之一。
• What was supposed to be an auspicious celebration ended in embarrassment, however, when the rocket disintegrated less than two minutes after blast-off.
  不过，这次本应带来吉祥喜庆的火箭发射，结果却只带来难堪，因为朝鲜的火箭在发射升空后不到两分钟就解体了。